@book{3508,
	author = {Rojas Trujillo, Guillermo and Mintzberg, Henry},
	title = {Sicología social y nuevo líder /Guillermo Rojas Trujillo},
	publisher = {Ceis-Inedo, },
	year = {1991.},
	address = {Bogotá :},
	edition = {Primera edición.}
}